#381D8B#381D8B

#381D8B is a dark, vivid violet. Relative luminance 0.036; OKLCH L 34.9% C 0.167 H 284.9°. Best body text is #FFFFFF at 12.23:1 contrast (WCAG AA passes).

Color values

HEX	#381D8B
RGB	rgb(56, 29, 139)
HSL	hsl(255, 65%, 33%)
HSV	hsv(255, 79%, 55%)
CMYK	cmyk(59.7%, 79.1%, 0%, 45.5%)
CIE-LAB	lab(22.24, 42.01, -56.14)
CIE-LCH	lch(22.24, 70.11, 306.81°)
OKLab	oklab(34.85% 0.0432 -0.1617)
OKLCH	oklch(34.85% 0.167 284.9)
XYZ	xyz(6.7290, 3.5831, 24.7581)
Luminance	0.0358 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#381D8B #708B1D

analogous

#1D398B #381D8B #6F1D8B

triadic

#381D8B #8B381D #1D8B38

tetradic

#381D8B #8B1D39 #708B1D #1D8B6F

square

#381D8B #8B1D39 #708B1D #1D8B6F

split-complementary

#381D8B #8B6F1D #398B1D

monochromatic

#0F0826 #241258 #381D8B #4C28BE #6D49D9

Accessibility & contrast

On white

12.23

#381D8B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#381D8B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #381D8B

12.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##381D8B	#FFFFFF	#000000	##FFFFFF
##381D8B	1.00	12.23	1.72	12.23
#FFFFFF	12.23	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00388E

Deuteranopia (green-blind)

#003289

Tritanopia (blue-blind)

#083D53

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #381d8b;
/* rgb */ color: rgb(56, 29, 139);
/* oklch */ color: oklch(34.9% 0.167 284.9);

Tailwind

colors: {
  custom: {
    50: '#795dae',
    500: '#381d8b',
    950: '#000000',
  },
}

SCSS

$custom: #381d8b;
$custom-light: #795dae;
$custom-dark: #000000;

JSON

{
  "hex": "#381d8b",
  "rgb": {
    "r": 56,
    "g": 29,
    "b": 139
  },
  "hsl": {
    "h": 254.727,
    "s": 65.476,
    "l": 32.941
  },
  "oklch": {
    "l": 0.34852,
    "c": 0.16739,
    "h": 284.9
  },
  "luminance": 0.03584
}

Semantic roles & 50–950 ramp

primary

#381D8B

secondary

#9FBB49

accent

#E83FBF

background

#F7F5FA

surface

#EEE9F4

border

#C9C5CE

text

#0A0410

muted

#7C797F

Preview Lab

Preview with #381D8B

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →